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Free Base Blockchain Tools MCP Server

by agentsapi Your server? Claim it
answering

Free Base Blockchain Tools is answering right now. Last checked 9 min ago. It exposes 13 tools.

13 free Base tools: address labels, tx explain, balances, receipts, gas, logs, bytecode.

Uptime history 4 hours of history
4 hours agonow
100.0%
Uptime 24h
11 of 11 checks
13
Tools
read from the server
781 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check Free Base Blockchain Tools every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

run in your terminal
claude mcp add free-blockchain --transport http https://agentsapi.top/free-blockchain/
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "free-blockchain": {
      "url": "https://agentsapi.top/free-blockchain/"
    }
  }
}
~/.codex/config.toml
[mcp_servers.free-blockchain]
url = "https://agentsapi.top/free-blockchain/"
.cursor/mcp.json
{
  "mcpServers": {
    "free-blockchain": {
      "url": "https://agentsapi.top/free-blockchain/"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "free-blockchain": {
      "url": "https://agentsapi.top/free-blockchain/"
    }
  }
}

Available tools 13

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

block
get_block_by_number
Get block details by block number: timestamp, miner, transaction count, gas used.
get_block_number
Get the current latest block number on Base
contract
get_contract_code
Get contract bytecode at an address. Useful for checking if an address is a contract or a wallet.
get_contract_logs
Get event logs from a contract in a block range. Useful for tracking transfers, approvals, etc.
transaction
get_transaction
Get transaction details by hash on Base
get_transaction_receipt
Get transaction receipt by hash: success/failure status, gas used, logs. Useful for checking if a tx succeeded.
address
get_address_label
Get a human-readable label for an EVM address (100K+ entity labels: exchanges, bridges, protocols, scams). FREE, no payment required.
balance
get_balance
Get ETH balance of an address on Base
estimate
estimate_gas
Estimate gas needed for a transaction. Useful for dapps and wallets to show users how much gas they'll pay.
explain
explain_transaction_simple
Explain a transaction in plain English: who sent what to whom, with address labels. FREE simplified version of our premium explain tool.
gas
get_gas_price
Get current gas price on Base
labels
search_labels_by_category
Search all labeled addresses by category (e.g. exchange, bridge, protocol, scam). Returns up to 50 matches.
usdc
get_usdc_balance
Get USDC balance of an address on Base (stablecoin balance, more useful than ETH for most agents)

Endpoints

URLTransportStateLatencyChecked
https://agentsapi.top/free-blockchain/ streamable-http answering 788 ms 9 min ago

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Free Base Blockchain Tools — questions

Answers built from our own checks of this server.

What can Free Base Blockchain Tools do?
It exposes 13 tools, read directly from the server on our last check. Among them: estimate_gas, explain_transaction_simple, get_address_label, get_balance, get_block_by_number, get_block_number and 7 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is Free Base Blockchain Tools mostly used for?
Its tools cluster around block, contract and transaction. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Free Base Blockchain Tools working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 11 of 11 checks got a reply (100.0%), average response time 781 ms. The bar chart above shows every period we have measured.
How do I connect Free Base Blockchain Tools?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Free Base Blockchain Tools need an API key?
No. Free Base Blockchain Tools completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 13 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Free Base Blockchain Tools?
It answers our handshake in 781 ms on average, which is faster than 12% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.